JSP

1. parameter transmission garbled characters 1. Parameter garbled characters passed in post mode: Add a filter or request. setcharacterencoding ("UTF-8 "); 2. parameters transmitted in URI or get are garbled: Modify tomcat/config/server. xml

I. Problems Found Run the JSP page referenced by jstl Error Reporting http://java.sun.com/jsp/jstl/core cannot be resolved in either web. xml or the jar Ii. Cause Analysis Possible 1: version issues Jstl1.0 declaration is: Jstl1.1

Encode in JSP before Decoding in action Encodeuri ("Chinese") Encoding Urldecoder. Decode (request. getparameter ("parameter name"), "UTF-8"); complete decoding. Example: URL: "qtypenums. Action? Typeid = & qmobile = & QNAME = "+ encodeuri ('

JSP is becoming an excellent Java technology that can be used to create dynamic web applications. Program . There are countless reasons why Java programmers love JSP. Some people like the "one-time writing, everywhere" method it brings to

Warning: No configuration found for the specified action: '/sdoubleselect. jsp' in namespace: '. Form Action defaulting to 'action' attribute's literal value.8:56:21 freemarker. log. jdk14loggerfactory $ jdk14logger ErrorSevere: Expression

JSP provides some built-in objects to simplify page development. These built-in objects do not need to be instantiated and are implemented and managed by containers. 1. Out object: It mainly outputs data to the client 2. Request object: requests

Testoutofmemory Save the above Code to JSP and publish it to Tomcat, resin, WebLogic, and websphere. What are the results of experiment access to JSP? The answer is:       All servers except resin will shut down. Why doesn't resin? In fact,

First, download the tool:I suggest using editplus + JDK for beginners. I think it is easier to use editplus + JDK for beginners, such as JB, eclipse, and jcreator, but it does not know how to configure environment variables for beginners,Thus it is

This problem has plagued me for a long time. The previous method was to use JS, And now I finally found a solution: Popular online versions: response.setHeader("Pragma", "No-cache"); response.setHeader("Cache-Control", "no-cache");

When Using JSP in multiple languages (Chinese, Japanese, and English supported), I use editplus Replace Then an error is reported during running: Java. Io. charconversionexception: Illegal utf8 Encoding At first I thought the UTF-8 was

JSP generates static hmtl filesTo reduce the pressure on the server, change the original article management system to generate static html files from JSP files and then access the HTML files directly. The following is a simple example. 1. buildhtml.

If you do not need to process the tag ontology when customizing the tag library, you can inherit the tagsupport category. The tagsupport category implements the tag and iterationtag interfaces, the iterationtag interface is a sub-interface of the

To automatically refresh the JSP page for a period of time, use the following method:   Use the Meta Refresh tag for Refresh.Meta Tags are part of the section of the HTML document.Example:   After a period of time, the system automatically

1. Introduction Database applications, especially WEB-based database applications, usually involve the storage and display of image information. The common method is to store the image to be displayed in a specific directory, store the name of the

1. RequestDispatcher. forward () Is used on the server. When forward () is used, the Servlet engine transmits the HTTP request from the current Servlet or JSP to another Servlet, JSP or common HTML file, that is, your form is submitted to. jsp, in.

The homepage of common category information must read at least six databases. Other Sub-pages may or may not exceed a dozen times. When using the database connection pool, Tomcat can support a very limited amount of concurrency. System resources

1. Download　　 J2sdk download Http://java.sun.com/j2se/1.4.2/download.html Download version is j2sdk-1_4_2_08 　　 Download eclipse Http://www.eclipse.org/downloads/index.php Download version is eclipse-SDK-3.0.2-win32 　　 Download Eclipse

To learn about JQuery, I found an article "use JQuery" on the IBM website and downloaded the sample compression program (jquery. war), because it is designed using JSP, I need to configure the JSP development environment. 1. download Java 5.0 (D: \

String url = request. getParameter ("url ");String templateContent = "[InternetShortcut]" + "/n"+ "URL = http: // localhost: 7001/jcewweb ";String realfilename = "Jincheng Information Management System" + ". url "; String upurl = request.

%>%> My JSP 'display. jsp 'starting page --> name password Int topage = 1 ;//Int nowpage ;//Int rowInPage = 3 ;//Int allrow ;//Int pages ;//Topage = Integer. parseInt (request. getParameter ("topage "));If (topage Topage = 1;DateDao uu = new